Nearly every song the 17-year-old star has ever released was co-written with and produced by her 22-year-old brother Finneas O’Connell, whom she credits and affectionately introduces to concert ...

Finneas says of the song, “Part of the band identity involves these characters who are singing about an experience to each other. It’s a musical theater design, and it rarely happens in pop.

Finneas O’Connell, best known for his work as a producer for his sister Billie Eilish, said that he was tear-gassed during a “peaceful protest” in Los Angeles over the weekend.